import type { Registry } from '../../../core/entity/Registry.ts';
import { AbstractChangeStream } from './AbstractChangesStream.ts';
export declare class CnpmjsorgChangesStream extends AbstractChangeStream {
    getInitialSince(registry: Registry): Promise<string>;
    private tryFetch;
    fetchChanges(registry: Registry, since: string): AsyncGenerator<{
        fullname: string;
        seq: string;
    }, void, unknown>;
}